.w {
    max-width: 1365px;
    width: 80%;
    margin: 0 auto;
}
.warpBox {
    background-repeat: repeat-y;
    background-size: 100%;
    background-image: url(../images/img/about_bg.png);
    padding-bottom: 9.2857rem;
}
.content_1 {
    margin-top: 25px;
    justify-content: end;
}
.content_1 img {
    width: 100%;
    display: block;
}
.content_1 .rightBox {
    padding-top: 24px;
    background-image: url(../images/img/line.png);
    background-repeat: repeat-y;
    background-position: center top;
} 
.listBox {
    width: 100%;
 
}
.listBox li {
    width: 100%;
}
.listBox .list {
    display: flex;
    justify-content: flex-end;
    width: 50%;
}
.listBox .date {
    color: #006DBA;
    font-size: 19px;
    height: 29px;
    font-weight: bold;
    display: flex;
    align-items: center;
    margin: 18px 0;
}
.listBox li .txt {
    z-index: 99;
    padding: 10px;
    /* background-color: #FFFFFF; */
    border: 1px solid transparent;
}
.listBox li:nth-of-type(2n-1) {
    padding-left: 30px;  
    justify-content: flex-end;
}
.listBox li:nth-of-type(2n-1) .date, .listBox li:nth-of-type(2n-1) .txt{
    position: relative;
    padding-left: 20px;
}
.listBox li:nth-of-type(2n-1) .date::after {
    position: absolute;
    content: '';
    width: 27px;
    height: 27px;
    left: -30px;
    background-image: url(../images/img/ellipse.png);
}
.listBox li:nth-of-type(2n-1) .txt::after {
    position: absolute;
    content: '';
    top: 50%;
    margin-top: -5px;
    left: -22px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background-color: #FFFFFF;
    border: 2px solid #aaaaaa;
}
.listBox li:nth-of-type(2n-1) .txt::before {
    position: absolute;
    content: '';
    width: 38px;
    height: 1px;
    background-color: #aaaaaa;
    top: 50%;
    left: -21px;
}
.listBox li:nth-of-type(2n)>div{   
    align-items: flex-end;
    padding-right: 30px;
}
.listBox li:nth-of-type(2n) .date,.listBox li:nth-of-type(2n) .txt {
    position: relative;
}
.listBox li:nth-of-type(2n) .date::after {
    position: absolute;
    content: '';
    width: 27px;
    height: 27px;
    right: -42px;
    background-image: url(../images/img/ellipse.png);
}
.listBox li:nth-of-type(2n) .txt::after {
    position: absolute;
    content: '';
    top: 50%;
    margin-top: -5px;
    right: -36px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background-color: #FFFFFF;
    border: 2px solid #aaaaaa;
}
.listBox li:nth-of-type(2n) .txt::before {
    position: absolute;
    content: '';
    width: 38px;
    height: 1px;
    background-color: #aaaaaa;
    top: 50%;
    right: -36px;
}
.listBox li .txt:hover::after{
    background-color: #fff;
    border-color: #f39800;
}
.listBox li .txt:hover::before{
    z-index: 0;
    background-color: #f39800;
}
.listBox li .txt:hover{
    border-color: #f39800;
    background-color: #f39800;
    color: #FFFFFF;
    z-index: 999;
}
@media (max-width:1200px) {
    .content_1 {
        flex-direction: column;
    }
    .content_1>div {
        margin: 0 auto;
        margin-bottom: 10px;
    }
    .content_1>div>p:nth-of-type(1) {
        font-size: 2.1429rem;
    }
}